Volume 16 of a continuing series (currently 31 volumes) showcasing an edited collection of documents by and about Ulysses S. Grant. Materials in the series span the dates of 1837-1885; volume 16 spans the dates of 1866.

Volume 15 of a continuing series (currently 31 volumes) showcasing an edited collection of documents by and about Ulysses S. Grant. Materials in the series span the dates of 1837-1885; volume 15 spans the dates of May 1-December 31, 1865.